* ext/bigdecimal/bigdecimal.c (VpMult): fix double free.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18846 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Tue Aug 26 00:02:49 2008  Yusuke Endoh  <mame@tsg.ne.jp>
+
+	* ext/bigdecimal/bigdecimal.c (VpMult): fix double free.
+
 Mon Aug 25 23:59:36 2008  Tanaka Akira  <akr@fsij.org>
 
 	* transcode.c (rb_econv_open): make last_tc NULL if there are only

ext/bigdecimal/bigdecimal.c

@@ -3165,7 +3165,7 @@ VpMult(Real *c, Real *a, Real *b)
 
     c->exponent = a->exponent;    /* set exponent */
     if(!AddExponent(c,b->exponent)) {
-	VpFree(c);
+	if(w) VpFree(c);
 	return 0;
     }
     VpSetSign(c,VpGetSign(a)*VpGetSign(b));    /* set sign  */